import axios from 'axios'
import { Message } from 'element-ui'
import router from '@/router/index.js'

axios.defaults.timeout = 5000;  //超市时间是5秒
axios.defaults.withCredentials = true;  //允许跨域

//请求拦截器
axios.interceptors.request.use(config => {
  //如果存在这个token，请求携带token
  if (window.sessionStorage.getItem('tokenStr')) {
    config.headers['Authorization'] = window.sessionStorage.getItem('tokenStr')
  }
  return config
})

//响应拦截器
axios.interceptors.response.use(success => {
  //业务逻辑错误
  if (success.status && success.status == 200) {
    if (success.data.code == 500 || success.data.code == 401 || success.data.code == 403) {
      Message.error({ message: success.data.message })
      return
    }
    if (success.data.message) {
      Message.success({ message: success.data.message })
    }
  }
  return success.data
}, error => {
  if (error.response.code == 504 || error.response.code == 404) {
    Message.error({ message: '服务器异常' })
  } else if (error.response.code == 403) {
    Message.error({ message: '权限不足，请联系管理员!' })
  } else if (error.response.code == 401) {
    Message.error({ message: '尚未登录，请登录' })
    router.replace('/')
  } else {
    if (error.response.data.message) {
      Message.error({ message: success.data.message })
    } else {
      Message.error({ message: '未知错误!' })
    }
  }
  return
})

axios.defaults.baseURL = "http://localhost:8081/blog";

export const $post = (url, param) => {
  return axios.post(url, param)
}

export const $get = (url) => {
  return axios.get(url)
}

export const $put = (url, param) => {
  return axios.put(url, param)
}

export const $delete = (url) => {
  return axios.delete(url)
}
